Originally Posted by cdplayer

Take the fuse out that feeds the lights you mentioned. Clean the contacts in the fuse box. Scrap as clean as you can. Clean the ends of the fuse. Better to put in new. These fuses develop hairline cracks with age,and even though they look good they may not be. Check bulbs in rear light. Clean residue buildup if any. Also check ground wire to trunk light. Clean contacts.

If dash lights still do not work, your rheostat is bad. Pull instrument cluster, remove and replace rheostat. Or, as some have done here, bridge the rheostat with a wire and run full lights on all the time.